package com.example.sort;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;


public class SortMapper extends Mapper<LongWritable, Text, IntWritable, NullWritable> {
    private Text text = new Text();
    private IntWritable v = new IntWritable();
    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        String num = value.toString();
        v.set(Integer.parseInt(num));
        context.write(v, NullWritable.get());
    }
}
